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land v0.9.1 on HEAD, in preparation for a 1.0.x branch
[fs/lustre-release.git] / lustre / obdfilter / lproc_obdfilter.c
index a97605d..308b8f2 100644 (file)
@@ -1,7 +1,7 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  Copyright (C) 2002 Cluster File Systems, Inc.
+ *  Copyright (C) 2002, 2003 Cluster File Systems, Inc.
  *
  *   This file is part of Lustre, http://www.lustre.org.
  *
  *
  */
 #define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
-#include <linux/lprocfs.h>
-#include <linux/string.h>
-#include <linux/lustre_lib.h>
 
-int rd_uuid(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        int len=0;
-        struct obd_device* dev=(struct obd_device*)data;
-        len+=snprintf(page, count, "%s\n", dev->obd_uuid);
-        return len;
-
-        
-
-}
-int rd_blksize(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        struct statfs mystats;
+#include <linux/version.h>
+#include <linux/lprocfs_status.h>
+#include <linux/obd.h>
 
-        int rc, len=0;
+#include "filter_internal.h"
 
-        rc = vfs_statfs(temp->u.filter.fo_sb, &mystats);
-        if (rc) {
-                CERROR("obdfilter: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize)); 
-        return len;
-        
+#ifndef LPROCFS
+static struct lprocfs_vars lprocfs_obd_vars[]  = { {0} };
+static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
+#else
 
-}
-int rd_blktotal(char* page, char **start, off_t off,
-                int count, int *eof, void *data)
+static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off,
+                                    int count, int *eof, void *data)
 {
-        struct obd_device* temp=(struct obd_device*)data;
-        struct statfs mystats;
-
-        int rc, len=0;
+        struct obd_device* obd = (struct obd_device *)data;
 
-        rc = vfs_statfs(temp->u.filter.fo_sb, &mystats);
-        if (rc) {
-                CERROR("obdfilter: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_blocks)); 
-        return len;   
+        LASSERT(obd != NULL);
+        LASSERT(obd->u.filter.fo_vfsmnt->mnt_devname);
+        *eof = 1;
+        return snprintf(page, count, "%s\n",
+                        obd->u.filter.fo_vfsmnt->mnt_devname);
 }
 
-int rd_blkfree(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
+static int lprocfs_filter_rd_last_id(char *page, char **start, off_t off,
+                                     int count, int *eof, void *data)
 {
-        struct obd_device* temp=(struct obd_device*)data;
-        struct statfs mystats;
-
-        int rc, len=0;
+        struct obd_device *obd = data;
 
-        rc = vfs_statfs(temp->u.filter.fo_sb, &mystats);
-        if (rc) {
-                CERROR("obdfilter: statfs failed: rc %d\n", rc);
+        if (obd == NULL)
                 return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bfree)); 
-        return len;     
-}
-
-int rd_kbfree(char* page, char **start, off_t off,
-              int count, int *eof, void *data)
-{ 
-        struct obd_device* temp=(struct obd_device*)data;
-        struct statfs mystats;
-
-        int rc, len=0, blk_size=0;
-
-        rc = vfs_statfs(temp->u.filter.fo_sb, &mystats);
-        if (rc) {
-                CERROR("obdfilter: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        blk_size=mystats.f_bsize;
 
-        len+=snprintf(page, count, LPU64"\n", \
-                      (__u64)((mystats.f_bfree)/(blk_size*1024))); 
-        return len;
-                
+        return snprintf(page, count, LPU64"\n",
+                        filter_last_id(&obd->u.filter, 0));
 }
 
-int rd_fstype(char* page, char **start, off_t off,
-                  int count, int *eof, void *data)
-{
-        
-        struct obd_device* temp=(struct obd_device*)data;
-        int len=0;
-        
-        len+=snprintf(page, count, "%s\n", temp->u.filter.fo_fstype);
-        return len;
-        
-}
+static struct lprocfs_vars lprocfs_obd_vars[] = {
+        { "uuid",         lprocfs_rd_uuid,          0, 0 },
+        { "blocksize",    lprocfs_rd_blksize,       0, 0 },
+        { "kbytestotal",  lprocfs_rd_kbytestotal,   0, 0 },
+        { "kbytesfree",   lprocfs_rd_kbytesfree,    0, 0 },
+        { "filestotal",   lprocfs_rd_filestotal,    0, 0 },
+        { "filesfree",    lprocfs_rd_filesfree,     0, 0 },
+        //{ "filegroups",   lprocfs_rd_filegroups,    0, 0 },
+        { "fstype",       lprocfs_rd_fstype,        0, 0 },
+        { "mntdev",       lprocfs_filter_rd_mntdev, 0, 0 },
+        { "last_id",      lprocfs_filter_rd_last_id, 0, 0 },
+        { 0 }
+};
 
-lprocfs_vars_t snmp_var_nm_1[]={
-        {"snmp/uuid", rd_uuid, 0},
-        {"snmp/f_blocksize",rd_blksize, 0},
-        {"snmp/f_blockstotal",rd_blktotal, 0},
-        {"snmp/f_blocksfree",rd_blkfree, 0},
-        {"snmp/f_kbytesfree", rd_kbfree, 0},
-        {"snmp/f_fstype", rd_fstype, 0},
-        {0}
+static struct lprocfs_vars lprocfs_module_vars[] = {
+        { "num_refs",     lprocfs_rd_numrefs,       0, 0 },
+        { 0 }
 };
+
+#endif /* LPROCFS */
+LPROCFS_INIT_VARS(filter,lprocfs_module_vars, lprocfs_obd_vars)